Home / 133,562.94-184,315.10-76,200.78

Finding the Fourth Proportional to 133,562.94, 184,315.10 and 76,200.78

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Solution

The fourth proportional to 133,562.94, 184,315.10 and 76,200.78 is: 105,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,562.94 : 184,315.10 = 76,200.78 : x
  2. Step 2: Convert to fraction form
    133,562.94/184,315.10 = 76,200.78/x
  3. Step 3: Cross multiply
    133,562.94x = 184,315.10 × 76,200.78
  4. Step 4: Simplify right side
    133,562.94x = 14,044,954,385.78
  5. Step 5: Solve for x
    x = 14,044,954,385.78/133,562.94
  6. Step 6: Final answer
    x = 105,156.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.